2019958325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1155

約数の個数: 96

約数和(自身を含む): 3337500672

約数和(自身を除く): 1317542347

約数列:

[1, 5, 7, 11, 23, 25, 35, 43, 55, 77, 115, 161, 175, 215, 253, 275, 301, 385, 473, 575, 805, 989, 1061, 1075, 1265, 1505, 1771, 1925, 2365, 3311, 4025, 4945, 5305, 6325, 6923, 7427, 7525, 8855, 10879, 11671, 11825, 16555, 24403, 24725, 26525, 34615, 37135, 44275, 45623, 54395, 58355, 76153, 81697, 82775, 122015, 170821, 173075, 185675, 228115, 268433, 271975, 291775, 319361, 380765, 408485, 501853, 610075, 854105, 1049329, 1140575, 1342165, 1596805, 1879031, 1903825, 2042425, 2509265, 3512971, 4270525, 5246645, 6710825, 7345303, 7984025, 9395155, 11542619, 12546325, 17564855, 26233225, 36726515, 46975775, 57713095, 80798333, 87824275, 183632575, 288565475, 403991665, 2019958325]

約数ペア:

[(1, 2019958325), (5, 403991665), (7, 288565475), (11, 183632575), (23, 87824275), (25, 80798333), (35, 57713095), (43, 46975775), (55, 36726515), (77, 26233225), (115, 17564855), (161, 12546325), (175, 11542619), (215, 9395155), (253, 7984025), (275, 7345303), (301, 6710825), (385, 5246645), (473, 4270525), (575, 3512971), (805, 2509265), (989, 2042425), (1061, 1903825), (1075, 1879031), (1265, 1596805), (1505, 1342165), (1771, 1140575), (1925, 1049329), (2365, 854105), (3311, 610075), (4025, 501853), (4945, 408485), (5305, 380765), (6325, 319361), (6923, 291775), (7427, 271975), (7525, 268433), (8855, 228115), (10879, 185675), (11671, 173075), (11825, 170821), (16555, 122015), (24403, 82775), (24725, 81697), (26525, 76153), (34615, 58355), (37135, 54395), (44275, 45623)]